Culms to 1 m, 0.3–0.6 cm in diam.; internodes 10–15 cm, not waxy, initially densely white pubescent, tomentellate below nodes; nodes slightly prominent. Culm sheaths persistent, pink when fresh, initially hirsute; auricles absent; oral setae minute; ligule slightly concave, ca. 1 mm, ciliate; blade erect, linear-lanceolate or subulate, base ca. 1/3 as wide as sheath apex. Leaves 1 per ultimate branch; pseudopetiole 4–5 mm; blade narrowly lanceolate to oblong, 17–31 × 2–4 cm, abaxially hirsute, secondary veins 6–8-paired. Inflorescence unknown.